21846842

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{1123}}^1$

素因数の和:1333

約数の個数: 16

約数和(自身を含む): 33504192

約数和(自身を除く): 11657350

約数列:

[1, 2, 71, 137, 142, 274, 1123, 2246, 9727, 19454, 79733, 153851, 159466, 307702, 10923421, 21846842]

約数ペア:

[(1, 21846842), (2, 10923421), (71, 307702), (137, 159466), (142, 153851), (274, 79733), (1123, 19454), (2246, 9727)]